CVE-2021-21682

low-risk
Published 2021-10-06

Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.

Do I need to act?

-
0.22% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Jenkins

References (4)

Mailing List http://www.openwall.com/lists/oss-security/2021/10/06/1
Vendor Advisory https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424
Mailing List http://www.openwall.com/lists/oss-security/2021/10/06/1
Vendor Advisory https://www.jenkins.io/security/advisory/2021-10-06/#SECURITY-2424
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 7/34 · Low